The electrocardiogram (ECG) remains the most accessible and inexpensive diagnostic tool to evaluate the patient presenting with symptoms suggestive of acute myocardial ischemia. It plays a crucial role in decision making about the aggressiveness of therapy especially in relation to reperfusion therapy, because such therapy has resulted in a considerable reduction in mortality from acute myocardial infarction. Several factors play a role in the amount of myocardial tissue that can be salvaged by reperfusion therapy, such as the time interval between onset of coronary occlusion and reperfusion, site and size of the jeopardized area, type of reperfusion attempt (thrombolytic agent or an intracoronary catheter intervention), presence or absence of risk factors for thrombolytic agents, etc. Most important in decision making on reperfusion therapy and the type of intervention is to look for markers indicating a higher mortality rate from myocardial infarction. The ECG is a reliable, inexpensive, non-invasive instrument to obtain that information. Recently it has become clear that both in anterior and inferior myocardial infarction, the ECG frequently allows not only to identify the infarct related coronary artery, but also the site of occlusion in that artery and therefore the size of the jeopardized area. Obviously, the more proximal the occlusion, the larger the area at risk and the more aggressive the reperfusion attempt.
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The interplay between the careful analysis of clinical electrocardiograms and results from animal experiments have in the past 60 years resulted in provo cative and brill ant concepts on the mechanisms of cardiac arrhythmias in man. Many of the animal experiments however were done on open-chested dogs with cut cardiac nerves and under the influence of pharmaca. It is doubtful, therefore whether these results can be transferred without reser vation to the human situation. The introduction of electrical stimulation of the heart in clinical cardiology has opened new ways to study some aspects of cardiac arrhythmias directly in the unaesthesized patient. This study reports observations on patients who were admitted to the University Department of Cardiology, Wilhelmina Gasthuis, Amsterdam, for the evaluation and treatment of tachycardias. Electrically induced premature beats were used in an effort to elucidate the origin and mechanism of these tachycardias. The first chapter is on classification and diagnosis of tachy cardias with special emphasis on our current knowledge of the differential diagnosis between supraventricular tachycardias with aberrant conduction and ventricular tachycardias. This is followed by theoretical considerations on tachycardias especially in relation to the methods used in this study. After an outline of these methods the results of our studies in patients with atrial flutter, A-V junc tional tachycardias and tachycardias related to the pre-excitation syndrome are reported. A discussion on the value of electrical stimulation for the treatment of tachycardias is followed by a summary of our results.
This frank and candid account describes the fifty weeks Wellens spent teaching at Chungnam Institute of Foreign Language Education, a state-of-the-art facility in Gongju, South Korea. Anyone considering teaching in a foreign country will benefit from the reading of this book as preparation for a transformative experience.
This volume provides a detailed description of the Nubi language of Uganda, including more than one thousand examples and several texts. It also digs into history to reconstruct the development and growth of this most fascinating Arabic creole.
This volume offers an overview of some emerging trends and structural patterns in the development of international law, highlighting its evolution over the course of time, and discussing leading principles through various different thematic lenses.
Any archivists who have held a piece of fi lm in their hands, wondering how to go about identifying it, recognize the true value of fi lm preservationist Harold Brown's work. In 1967 Brown delivered a pioneering lecture on the identification of early films at the annual Congress of the International Federation of Film Archives (FIAF) in East Berlin. Years of working with Britain's National Film Archive collections, and the close examination of thousands of nitrate prints of the silent period, made Brown a leading authority on early fi lm identification, and an unsurpassed model of methodological consciousness in the archival field. In 1990, FIAF published Brown's Physical Characteristics of Early Films as Aids to Identification, an updated version and a continuation of his 1967 lecture. This publication has long been archivists' trusted companion, constituting a concentrated encyclopedia on all the information that can be discovered or verified through aspects of the fi lm other than the actual projected image – such as perforation shapes; embossed and punched marks; stock manufacturers' and producers' edge marks; frame characteristics; title styles; and production serial numbers. It also included essays on key individual production companies of the silent era. Over the last 30 years, this manual – a basic typewritten 100-page volume (including 20 pages of black & white illustrations), with its easily recognizable red cover – has been an invaluable reference for fi lm archivists and scholars. However, as Brown himself acknowledged in the 1990 edition, the manual was far from definitive. Camille Blot-Wellens, the editor of this new, expanded edition of Brown's 1990 book, belongs to the new generation of researchers who have used Physical Characteristics extensively in their work and have gathered considerable new information on the subject. This new edition is the result of a project she initiated in 2014 with FIAF's support. Brown's original text is now augmented with new original research on key fi lm manufacturers and producers by Camille Bolt-Wellens and other leading archivists and researchers in the field. Richly illustrated (the book contains over 900 images, including 125 in full color), this new 336-page edition of Harold Brown's seminal manual will be welcomed by many, and will no doubt become a must-have working tool for many in the fi lm archiving and academic fields.
What is Online Research? is a straightforward, accessible introduction to social research online. The book covers the key issues and concerns, with sections on design,ethics and good practice.It will be key reading for social scientists of all levels.
Revival of religious practices of all sorts in China, after decades of systematic government suppression, is a topic of considerable interest to scholars in disciplines ranging from religious studies to anthropology to political science. This book examines contemporary religious practices among the Premi people of the Sichuan-Yunnan-Tibet area, a group of about 60,000 who speak a language belonging to the Qiang branch of Tibeto-Burman. Koen Wellens's ethnographic research in two Premi communities on opposite sides of the border, and his analysis of available historical documents, find multiple advocates and rationales for the revival of both formal Tibetan Buddhism and the indigenous Premi practices centered on ritual specialists called anji. Wellens argues that the variety in the shape the revitalization process takes--as it affects Premi on the Sichuan side of the border and their counterparts on the Yunnan side--can only be understood in a local cultural context. This full-length study of the Premi, the first in a language other than Chinese, makes a valuable contribution to our ethnographic knowledge of Southwest China, as well as to our understanding of contemporary Chinese religious and cultural politics.
As arrhythmias may be transient in nature and not seen during the shorter recording times of the standard ECG, ECG Holter monitoring allows the physician to make better informed decisions for the cardiac patient. The devices are worn by patients on an outpatient basis for days or weeks and can also be implanted subcutaneously. ECG Holter recordings are especially useful since they can be programmed individually for activation and specific tracing analysis. Designed for rapid study, this book contains 100 illustrative cases in ECG Holter monitoring. Each case consists of a tracing followed by a brief explanation of the findings. 100 Cases in ECG Holter is the perfect resource for busy physicians looking to optimize their skills at interpreting ECG Holter readings.
Web development has grown to become vital in shaping how humans interact, work, learn, and consume. Practical Web Development provides you with a roadmap of web development today, giving you the tools you need and the guidance to keep you creative and productive in a world of disruption and innovation. Beginning with the structure of the Web and the principles of building basic websites with HTML, you will learn about CSS, JavaScript, and PHP, before taking a closer look at some of the leading technologies used to build the modern Web. You will integrate jQuery, Ajax, and JSON into your projects before moving on to the latest tools and techniques in responsive web design, including Zurb Foundation or Bootstrap, to help you meet the challenges of developing for multiple devices, and explore how Node.js offers a powerful solution to server-side application development. This book is for anyone that wants to get to grips with the broader picture of web development today.
International organizations have become major players on the international scene, whose acts and activities affect individuals, companies and states. Damage to interests or violation of rights sometimes occur (such as during peacekeeping operations, for example). Karel Wellens considers what remedies are available to potential claimants such as private contractors, staff members or, indeed, anyone suffering damage as a result of their actions. Can they turn to an Ombudsman or national courts, or do they have to rely on support by their own state? Are the remedies provided by international organizations adequate? Wellens' conclusions include suggestions for alternative remedial options in the future.
This book examines the multifunctional role negotiations play in the jurisprudence of the International Court of Justice. Prior negotiations may be necessary to bring to the surface and clarify the legal aspects of a dispute before its submission to the ICJ. Negotiations may play a potential and parallel role during the course of the proceedings; results of negotiations may find their way into the judicial reasoning and may even form part of the basis of the judicial settlement. The Court’s judgment may require further negotiations for its implementation. A failure of this process may bring the parties back before the Court. This volume presents a detailed and critical examination of the case law of the ICJ through the prism of the functional interaction between negotiation and judicial settlement of disputes. In cases where legal interests of third States are involved this functional interaction becomes even more complex. The focus is not on the merits of each individual case, but on the Court’s contribution and clarification of this functional interplay. The systematic analysis of the Court’s jurisprudence makes this book essential reading for those involved with and studying international law and justice.
“Variants of Ventricular Preexcitation: Recognition and Treatment provides a unique opportunity for general cardiologists and electrophysiologists to find in one text the intricacies of recognizing and treating a group of disorders that has intrigued physicians for more than 100 years.” --from the Foreword by Mark E. Josephson, MD, Chief, Cardiovascular Division, Beth Israel Deaconess Medical Center, Boston, USA Drs Sternick and Wellens combine their expertise in the diagnosis and treatment of cardiac arrhythmias to bring you this complete overview of decrementally conducting accessory pathways and their role in cardiac arrhythmias. This is the first book dedicated to these special types of accessory pathways, their recognition and management. By covering the uncommon varieties of ventricular preexcitation, this book supports you in improving patient care by: Helping you to identify decrementally conducting AV fibers- which comprise 3-5 % of all accessory AV pathways Explaining exactly what information can be obtained from the 12-lead ECG Showing how to identify and localize these pathways during an electrophysiologic study Detailing the proper treatment and how to treat these patients By explaining the fundamental pathophysiology as well as the diverse clinical presentation of arrhythmias, Drs Sternick and Wellens demystify the subject of the different variants of decrementally conducting accessory pathways leading to ventricular pre-excitation and their role in cardiac arrhythmias.
The story of Nicolas Nabokov's involvement with the CIA-funded Congress for Cultural Freedom (CCF) is a story of the politics and sociology of culture; how music was used for political ends and how intellectual groups formed and functioned during the Cold War. The seemingly independent CCF, established to counteract? apparent Soviet successes in the fields of the arts and intellectual life, appointed Nabokov (a Russian emigre and minor composer) as its Secretary General in 1951.?Over the next ten years he gave music a high profile in the?work of the organisation, producing four international musical festivals, the first and most ambitious of which was 1952's L'Oeuvre du XXe Si?e in Paris, an event which showcased the work of no less than 62 composers. As Ian Wellens reveals, Nabokov's?musical involvement with the CCF was in fact a struggle on two fronts.?Apparently a?defence?of?Western modernism against 'backward', 'provincial' Soviet music, Nabokov's writings show this to have meshed closely with the?domestic concern?- shared by?many intellectuals -?that high culture was being undermined by an increasingly culturally aware middle class. His attacks on Soviet cultural policy, and his unflattering assessments of Shostakovich, are seen to be not merely salvos in the cold war but part of a broader campaign aimed at securing the authority and prestige of?intellectuals.
Now in an abridged second edition, Electrophysiological Foundations of Cardiac Arrhythmias focuses on teaching the fundamental concepts of cardiac cellular electrophysiology with an emphasis on the relationship of basic mechanisms to clinical cardiac arrhythmias. Understanding this relationship and the electrophysiological mechanisms underlying arrhythmogenesis will be invaluable to physicians entering the fields of cardiology and clinical electrophysiology, as well as those scientists and clinicians already working in these areas. These essential concepts of electrophysiology include discussion on action potentials, ion channels and currents, and mechanisms of arrhythmias, and provide the working knowledge that will enable the reader to approach a board exam confidently. Additionally, the authors build a base of understanding that will prepare the reader for more advanced texts, such as Josephson’s Clinical Cardiac Electrophysiology: Techniques and Interpretations.
The story of Nicolas Nabokov's involvement with the CIA-funded Congress for Cultural Freedom (CCF) is a story of the politics and sociology of culture; how music was used for political ends and how intellectual groups formed and functioned during the Cold War. The seemingly independent CCF, established to counteract apparent Soviet successes in the fields of the arts and intellectual life, appointed Nabokov (a Russian emigre and minor composer) as its Secretary General in 1951.Over the next ten years he gave music a high profile in the work of the organisation, producing four international musical festivals, the first and most ambitious of which was 1952's L'Oeuvre du XXe siècle in Paris, an event which showcased the work of no less than 62 composers. As Ian Wellens reveals, Nabokov's musical involvement with the CCF was in fact a struggle on two fronts.Apparently a defence of Western modernism against 'backward', 'provincial' Soviet music, Nabokov's writings show this to have meshed closely with the domestic concern- shared by many intellectuals -that high culture was being undermined by an increasingly culturally aware middle class. His attacks on Soviet cultural policy, and his unflattering assessments of Shostakovich, are seen to be not merely salvos in the cold war but part of a broader campaign aimed at securing the authority and prestige of intellectuals.
As the ever increasing number of Security Council resolutions and statements is nowadays easily available through the UN home page, this booklet will guide you thematically through these documents without the texts of the resolutions and statements being reproduced. This work contains the essential tools, presented in a chronological order, and classified on a topic basis to help you find and compare the English and French texts electronically. Part I contains matters concerning the maintenance of international peace and security; Part II contains other matters considered by the Security Council. The next division is a geographical one, each geographical region being subdivided into numbered topics. The corpus of this Thematic Guide consists of an analytical table of resolutions, statements and letters. Additional tools are made available in the annexes: a chronological list and the composition of the Security Council (1946-2000). This booklet is a sequence to the previous two editions by Karel Wellens of Resolutions and Statements of the United Nations Security Council: A Thematic Guide.
Everyone talks about the limitations of the judicial system in the context of international commercial disputes. But no one actually seems to address the possibilities for and appropriateness of judicial remedies in such disputes. This study examines how the International Court of Justice and its predecessor, the Permanent Court of International Justice, have dealt with economic disputes and arrives at highly interesting conclusions, challenging the widespread view that the Court is not an appropriate forum to handle economic disputes between states. While much depends on how one defines an 'economic dispute', a comparison of the use of the court system versus the use of arbitration in such cases offers new insights. Among them: the observation that the once-clear distinctions between adjudication and arbitration are in fact diminishing, as evidenced, for example, in the use of the Chamber procedure of the International Court of Justice in a number of cases in recent years. The author sets out observations, conclusions, evaluations, and recommendations in a complete, straightforward fashion. The material is divided into easy-to-follow parts, each with concluding remarks. Paragraphs are separately labeled with bold headings to facilitate quick access to the information needed. This book enables scholars and practitioners to look at a critical issue in the field - the role or non-role of courts in certain international disputes - in an entirely new way, providing insightful material for thought, discussion, and practice.
Everyone talks about the limitations of the judicial system in the context of international commercial disputes. But no one actually seems to address the possibilities for and appropriateness of judicial remedies in such disputes. This study examines how the International Court of Justice and its predecessor, the Permanent Court of International Justice, have dealt with economic disputes and arrives at highly interesting conclusions, challenging the widespread view that the Court is not an appropriate forum to handle economic disputes between states. While much depends on how one defines an `economic dispute', a comparison of the use of the court system versus the use of arbitration in such cases offers new insights. Among them: the observation that the once-clear distinctions between adjudication and arbitration are in fact diminishing, as evidenced, for example, in the use of the Chamber procedure of the International Court of Justice in a number of cases in recent years. The author sets out observations, conclusions, evaluations, and recommendations in a complete, straightforward fashion. The material is divided into easy-to-follow parts, each with concluding remarks. Paragraphs are separately labeled with bold headings to facilitate quick access to the information needed. This book enables scholars and practitioners to look at a critical issue in the field - the role or non-role of courts in certain international disputes - in an entirely new way, providing insightful material for thought, discussion, and practice.
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